1. Delayed nephrologist referral and inadequate vascular access in patients with advanced chronic kidney disease;Avorn;Journal of Clinical Epidemiology,2002
2. Early or late referral patterns of 1137 patients starting dialysis in 15 Italian dialysis centres;Ballerini;Giornale Italiano di Nefrologia,2002
3. Depression on dialysis;Chilcot;Nephron Clinical Practice,2008
4. CKD series: improving the timing and quality of predialysis care;Crowley;Hospital Physician,2003